Publishers / Marvel / Marvel Two-in-One (1974) / #64
64June 1980
$0.40

Marvel Two-in-One #64

Marvel · June 1980 · on sale 1980-03-04

First appearance: Black MambaFirst appearance: AnacondaFirst appearance: Blanche Sitznski2 variants
How to read this file
  • Every claim on this page traces to a public bibliographic record; the sources are listed at the bottom of the file.
  • A first-appearance badge means this is the earliest non-flashback appearance on record in this database.
  • Buy links are eBay affiliate links. They never change what the record says.

Identification plate

Series
Marvel Two-in-One (Marvel, 1974 series)
Issue
#64
Publication date
June 1980
Key date
1980-06-00
On-sale date
1980-03-04
Indicia publisher
Marvel Comics Group
Price
$0.40
Pages
36
Rating
Approved by the Comics Code Authority

Match the book in your hand against this plate before paying an edition-specific price.

Why this issue matters

First appearance of Black Mamba - the earliest non-flashback appearance on record for this character.

First appearance of Anaconda - the earliest non-flashback appearance on record for this character.

First appearance of Blanche Sitznski - the earliest non-flashback appearance on record for this character.

First appearance of Tanya Sealy - the earliest non-flashback appearance on record for this character.

First appearance of Seth Voelker - the earliest non-flashback appearance on record for this character.

First appearance of Sidewinder - the earliest non-flashback appearance on record for this character.

First appearance of Death Adder - the earliest non-flashback appearance on record for this character.

First appearance of Roland Burroughs - the earliest non-flashback appearance on record for this character.

The evidence

Claims here come from the story records for this issue, listed under Sources at the bottom of the file. Character hubs with full evidence tables are coming to this site.

Contents

SeqStoryTypePagesCreditsCharacters
0The Serpent Crown Affair!cover1pencils: George Pérez; inks: Gene Day; letters: Gaspar SaladinoBen Grimm, Walter Newell, Stingray, The Thing
1The Serpent Crown Affair! Part One from the Depthscomic story18script: Mark Gruenwald, Ralph Macchio; pencils: George Pérez, Gene Day; inks: Gene Day; colors: Gaff, Sean; letters: John CostanzaAnaconda First, Aquarian, Black Mamba First, Henry Croft, Death Adder First, Davida DeVito, Hellen Feliciano, Melissa Gold, Ben Grimm, Human Torch, Doctor Hydro, Hyperion, Invisible Girl, Letha

Plus 1 page of advertisements and other matter across 1 sequence, as published.

Printings and variants

EditionHow to tell
Newsstandbarcode 0714860290606
Britishprice 0.15 GBP

Where to read it

CollectionYear
Essential Marvel Two-in-One #3
ISBN 978-0-7851-3069-7
2009On eBay ›
Thing: The Serpent Crown Affair #[nn]
ISBN 978-0-7851-5761-8
2012On eBay ›
Thing: The Serpent Crown Affair
ISBN 978-0-7851-5762-5
2012On eBay ›
Marvel Masterworks: Marvel Two-in-One #6
ISBN 978-1-302-93293-0
2021On eBay ›
Project Pegasus
ISBN 978-1-302-96743-7
2026On eBay ›

Reading the story costs a fraction of owning the issue. Both routes are on every file.

Before you buy

  • Check the price box: Marvel ran 30-cent and 35-cent test-market price variants in 1976-77.
  • Canadian and Whitman editions exist for many bronze books; match the barcode area to the plate.
  • Look for Mark Jewelers inserts and date stamps - they affect collector preference, not authenticity.

Series context

Sources

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